Back in 2008 Barcelona took a punt on a 37-year-old unproven coach who'd never led any team except their B side.
It would turn out to be a masterstroke as Pep Guardiola quickly showed he would innovate football and raise standards to the like we've never seen.
A 1-0 defeat on his managerial debut at Numancia fuelled the doubters but by the end of his first season as manager he'd claimed a historic treble.